Home / 10,367.64-15,556.05-5,436.10

Finding the Fourth Proportional to 10,367.64, 15,556.05 and 5,436.10

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Solution

The fourth proportional to 10,367.64, 15,556.05 and 5,436.10 is: 8,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.64 : 15,556.05 = 5,436.10 : x
  2. Step 2: Convert to fraction form
    10,367.64/15,556.05 = 5,436.10/x
  3. Step 3: Cross multiply
    10,367.64x = 15,556.05 × 5,436.10
  4. Step 4: Simplify right side
    10,367.64x = 84,564,262.85
  5. Step 5: Solve for x
    x = 84,564,262.85/10,367.64
  6. Step 6: Final answer
    x = 8,156.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.